:host {
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 999;
}
ul li{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  margin: 10px 5px;
}
ul {
  display: flex;
  flex-direction: row;
  white-space: nowrap;
  flex-wrap: nowrap;
  overflow-x: scroll;
  -webkit-overflow-scrolling: touch;
  padding: 0;
  margin: 0;
}
a {
  text-decoration: none;
  -webkit-tap-highlight-color:rgba(0,0,0,0);
}
::-webkit-scrollbar {
  display: none;
}
.active {
  color: red;
}
.first{
  color: green;
}
.last{
  color: pink;
}
.indicalor{
  // background: red;
  height: 2px;
  width: 2rem;
  margin-top: 5px;
}